Treadle and lower-door operating mechanism.



Patented Jan. 1,1918.

2 SHEETS-SHEET 1 A w BORCYK TREAOLE AND LOWER DOOR OPERATING MECHANISM. APPLICATION FILED JULYZI. l9l5- A..W. BORCY K. TBEADLE AND LOWER DOOR OPERATING MECHANISM.

APPLICATION min lULY 2-1. I916. 1 1,251,958. I Patented Jan. 1,1918.-

zszu: Q

W V Q & hf

m null x g a; $5 3. 1 ;g&; l r

I. M Q n a r N R h I IIIW 1 a% [O I l i 3 5g; n

UNITED STATES PATENT- OFFICE. v

ANTHONY WALTER BOIRCYK, OI ROCHESTER, NEW YORK, ASSIGNOR TO AMERICAN PIANO COMPANY, OF NEW YORK, N. Y., A CORPORATION OFNEW JERSEY.

Specification of Letters Patent.

Patented Jan. 1, 1913.

Application filed July 27, 1916. Serial No. 111,594. A

To all whom it ma concern:

Be it known t at I, ANTHONY WALTER Boncrn, a subject of the Emperor of Austria, now residing at Rochester, New York, have invented an Improvement in -Treadle and Lower-Door Operating Mechanism, of which the following is a specification.

This invention relates to foot-power player-pianos and the like, and pertains more articularly to apparatus for opening and c osing a door in the bottom of the instrument throu h which the treadles are moved into ancf out of operative position; the mechanism for this purpose being combined, if desired, with means for moving the pumping treadles into and out of operative position.

The objects of the invention will be partly obvious from the following specification and partly pointed out therein.

The invention may be readily understood by reference to one illustrative embodiment shown in the accompanying drawings, in which:

Fi ure 1 is a front elevation of playing trea es with a portion of the base of a player-piano or the like;

Fig. 2 is a detached detail showing parts of the operating mechanism in different positions;

Figs. 3 and 4 are both sections upon the line 4-4 in Fig. 1; the respective figures shtawing difierent positions of the treadles; an

Fig. 5 is a detail section on the line 5-5 of Fig. 1. p

The treadles 7 7 are hinged to a treadle support 8 which may be provided with feet 9 preferably having rubber treads. The treadles are provided with pivoted thrust bars 10 by which they are connected with a pitman 11 for operating the pumps or feeder bellows which areunnecessary to be shown.

The treadle support 8 is secured to rocking arins15, 15, fixed to or conveniently made integral with coaxial shafts 16', 16 'ournaled in any suitable manner inside the ase of the pie er. The treadles are swung into and out o operative position upon the shafts 16; the operative position, 2'. 0., when the treadles are in position to be operated for pumping, being shown in Fig. 4 and the inoperative position, 2'. a, when the treadles are retracte into the base of the player, being shown'in Fig.'3.-"-

pianos, that the base panel be easily removable to giveaccess, for adjustment and reair, to the mechanism usually located beow the key-bed.

. A door-way 20 in the panel 18 permits the treadles and connected parts to be swung from within the base of; the player to the operative. position and back again. It is preferred that when thetreadles are not in operative position. the door-way in the panel 18 shall be closed, and for this purposea door 22 is provided Thedoor 22 has eyepieces 23, 23 slidably'mounted upon a shaft 24 which is fixed in brackets 25, 25 secured to the panel 18; the door 22 sliding lengthwise the shaft 24 to close and open the doorway '20. p

A single actuating means may beprovided for operatin the door and for moving the treadles from/file position shown in Fig. 3 to that shown in Fig. 4, and vice versa. For this purpose acrank armBO isfixed upon the shaft lfiand has pivoted toita vertically movable rod 31 having a pivot .pin 32, at its upper end, engaged by a slot 33 in a crank arm 37 [which is 'fixed toja hand-operated shaft 38. As-sh own in Figs, 3 and 4, theshaft38 is journaled in brackets fixed upon the bottom of the k'ey-bed, and, at a point within easy reach of anjoperator seated at the'instrument, the shaft 38 is pro vidtai with a handle 39 by which 1 rock the sha When the parts are in the position shown in Fig. 1, the treadles 7 {7 are in the opera-- tive position show'n'in Fig. 4. If the handle 9 is br ught in, cl kwise ire n f m P s ns hown. ,in '1f* .igs-. liiand 4.1 0 pivot pin 32 will bear'againstj the outer end of the 'slot33, and the rod will bejforced do n dr r atelth f haf 1 .1w m v g the crank. arm ,30 in. contraclockw se direc ti a in E is. l, .er by ra sing the. n dl s} retracting theminto"tliep1ano; This operation is accomplished by the slight movement of the handle 39 through approximately 45, and by the cooperating action of the balancing springs wand 50.

Upon further movement of the handle the pivot pin will sliaerreely insleaas toward the axis of shaft 38, and thereafter a furtlie'n'inovement (ifwthe han'dle 39 w'il lhave iio further efl ect upon the treadles.

To relieve the operatorfi'om the necessity of ar i s he el mean? at force n th ha'hfle 3. w c m y b e essary t awne'aa le ba k nd te t a reagent st pnes e teve at e 1a, paa aaeravia a whi h ma mll aes ame em st les te d e A see 4 (a e fiend. 4 s secured a one end t an as 919 1: e? ar the bas t lay as?! t'. .te'.9 harend to 'ar ank a m 2 xed an area elshafi 1.6- T e sprin .0 1s o and. and is of 5111?}! l ngth; "that 'ex 'ts n material-R 1 1 "area nea 4.2 q fihe ha .6, tib a -tbs 1 it o cupy iiie p sitm s own in ig. 3 'tlllfi fi dlt'ef'are n'o ed out:

as weirdly; however, (doc wise n1 is. a the again 9 e ins. ob ens oned from the tlmet .e am1742 s substant a ly ho izontal, and is therea er increasi gly nsien d unti th rm 4 Leashes th substan ially vs;-

heal p sifiqnin'lfia T e prin 5 .0 iem'dfl' if .9- ninetee h as mg t aeiq tsl hs'tai ially b lances he incr aeii it ts; ht of. the tr aqles. ether mar? e h B n ta when he ma "may '1 subs nany aa allr' aae 5111191 h y M 'A'second spring has 1ts upper end so; are to a sta ionar hrasketal mount n 49 the. name the-payer and i s other end soa ed to. tie can: an .2 PPQll-fihflit 16- ...h'el ti t: PQiiS r fi t s Position shown m is; he anti 4?. abs aiitially'vert eal a e n ars: a9 Z relaxed as to e r mat al ta the-$ m. The sP use? is .e alz s9- .a'digss ed that t l ss 19? e er s b'a eatie pull p n the an la mags-sneaker a a was; ttw-.tme slave Pasha;

r tina vhw the n-.-

., a n a ends the emi a,

. t awe-ea. was he n e taa...$1 he na l eii shah. 111F123. ,3 t e arm 42 increasin ly tens one the sprmg tha the in re ing ,e ieetive wei t, of

H v r. '-x. .1 U mi nets-e se stra a!!- lal aeee a th sewe 9... i

os essin an;

f ft I? if 133}? haft 1 are with a lever 62 fulcrumed at 64 to a bracket on the bottom of the key-bed. Means are provided for releasably. connecting the-lever 63 With-the door 22 in such manner/that the door 22 will be disconnected from the lever 63 upon forward movement of the base panel 18 when it is being removed from the instrument? Such means are herein shown as ablock 6,5 (seeljig. 5) having lugs 66 to engage he lever 63 and cause the door 22 to be moved along itss llpponting rod 24 upon the rotation i the handle'39. .The block-65 will be readily disengaged from the lever 63 upon forward movement ofthe base panel 18. .When the lever 63 is rocked to the left so in Eigzlthe door 2.2-slides to the left on its supporting. rodl. 24 and closes the dOQi WHYQ I When the treadles 7 are in the operative position S IIin Fi 4, their pump-opers5 atinglinks 10 extend through the door-way 20; hence at such times the door is desired to remain open. Likewise the door is preferredto remain open until the treadles have been .s nfliciently retracted into the interior of the base to avoid interference With the closing door. This is provided for in the illustrative means for closing the doorby When the parts are in the position shown go in Fig. l, the door 22 stands Wide open and the-.treadles stand in the operative position if ft, The handle 39, heingthen moved clockwise, the bar 31 is forced downwardly to rock he r d es war nop iv re tion. This downward movement of the rod 31 begins almost immediately the handle 39 is, moved clockwise, but the door closing crank arm 60- is .so positioned on the shaft 38'that during the first part of the move-v ment of the handle 39 and the retracting movement of the treadles, the lever 63 is not materially moved. When, however, the. rod has been moved downwardly far enough to substantially complete the retracting movement of the treadles, the lever 63 be ins to; move clockwise in Fig. 1 to start the cosins h Q 'J Z- ringthis r adl rs trac gnjd dolor closing movement, th .90!- p fiffl fi bly h s th latter part of its movement after theretracted treadles-havg substanti lly some orej Therefore, the treadl operating mechanism is so cou str icfed tha when the rod 3. ha's positively thrownv the treadles. beyond the position WhQQWhBil'yGfiifi 02 g av y Stands above, the shaffi fii h P v t Pin. 2 l dea an the slot. 3,f her;e p .1n shaft 38' man-ha mo ed st ll arj h' ate mo t e parts iota p i on-sh imiinF s ind herein 99'? 'sflt mpltelyicloised moat-1a at a r-gpeifirig andgte dlsadv ea wtraclockwise from the position shown in Fig.

I 2 thereby starting to open the door and fganization and mode of operation shown] V Y may be varlously trative construct on may fied within the tion of a removable base having other. I

at least artially completing that opening, before e pivot pin 32*engages the'inner end of the slot 33m start the treadle-advancing movement. Thus the door-is out of the way to permit the 'treadles to be thrown out through the door-M1130 during the; latter ise movement of the p art offthecontracloc andle 39. t

It is to be understood that the invention is. notlimited to the precise constructiomorlustrationi- On the contrary, the invention embodied andthe illusbe variously m'odiclaims.

'I claim as my invention: I 1. In a musical instrument,rthe combination of a, removable base ganel having a to said panel means connected .to another part 0 the instrument and two interengaging members connected respectively tosaid door and said door operating means, one of said members a 'recess for engagement with p the 2. In a musical instrument, the combinaganel having a door-way; a-door'connecte to said panel and removable therewith; doorfo crating means vconnected;toanother-part o .the in strument; and means on said door 'roviding a a recess tobe internallyengaged ya part of" said door operating means andarranged co uof this patent may be obtained an jfor disengagement by forward movement of the removable base panel.

[3. In a musical instrument, the combina- "tion of a1 removablebasepanel having a "door-way; a doorslidably mounted upon Y said'base panel to close the'doorway and 're-' '45 movable therewith; door operating means in the drawings and described above for I door; and a pair oflugs upon said door to engage the lever only proper scopeof thesubjoined 1 July,.1916.

', to engage the same'on either side thereof.

ependin lever to 1 A. In a musical instrument, the combination of a removable base panel having a doorway; avdoor slidablymounted u onsaid base panel to close'the doorway an remove able therewith; door operating -means' mounted 'upon another part vofflnthe instrument and including a depending lever to swingina plane parallel to that of the base anel are in thelrnormal lanes.

ltion of treadle's movable between operative and inoperative positions; a door mounted upon a removable base panel to inclose the I T when the door and I s treadles when in inoperativeposition ;1 a 'control lever mounted upon another part of the.

instrument and adaptedfto move the door and treadles respectively in sequence; and two interengagin 6; Ina musical instrument, the combina- V members ,co'nnect,ed re- 1 spectively to. said oor and to said door operthetreadles in inoperative position; arock shaft for moving said door and treadles'; a

bent link connecting a crank arm upon said In testimony whereof, I have si' ed my name to this specification this 225 day of ANTHONY WALTER BoRoYK.

five cents each,-by addressing the "Commissioner 012mm, Washington, D. 0. I I i tion ofitreadles movablebetween operative, andginoperative positions; a door to inclose s shaft with a door moving member; and a5 slotted crank arm connectingsaidshaftwith' I r 

